Too thin boys don't wear jeans, they can wear a pair of bright casual pants or linen pants. Casual pants or linen pants are fashionable and won't feel thin. Bright pants are suitable for thin people. Linen pants, inelastic pants, will not look very thin, so men think they are thin. You can try this fabric, which is not only comfortable but also full. The upper body is paired with a shirt, a classic black and white shirt, which exposes the chest muscles a little slim, and the sleeves are striped and very trendy.